Thirty-two species of decapod crustaceans have been recorded in Dominica, an island nation in the Caribbean Lesser Antilles. This includes eighteen species of true crabs (infraorder Brachyura); three species of hermit crab; one species of porcelain crab (infraorder Anomura); and eleven species of freshwater shrimp (infraorder Caridea).
Infraorder Anomura (hermit crabs and porcelain crabs) Family Coenobitidae Caribbean hermit crab Coenobita cypleatus Family Lithodidae Lithodes manningi Family Porcellanidae Petrolisthes quadratus
Infraorder Brachyura (true crabs) Family Gecarcinidae Cardisoma guanhumi Gecarcinus lateralis Gecarcinus ruricola Family Grapsidae Geograpsus lividus Goniopsis cruentata Grapsus grapsus Family Ocypodidae Ocypode quadrata Uca burgersi Uca vocator Ucides cordatus Family Plagusiidae Plagusia depressa Family Portunidae Callinectes bocourti Callinectes marginatus Callinectes sapidus Family Pseudothelphusidae Guinotia dentata Family Sesarmidae Sesarma miersii Sesarma robertii Family Varunidae Cyclograpsus integer
Infraorder Caridea (shrimp)
Family Atyidae Atya innocous Atya scabra Jonga serrei Micratya poeyi Potimirim glabra Xiphocaris elongata Family Palaemonidae Macrobrachium acanthurus Macrobrachium carcinus Macrobrachium crenulatum Macrobrachium faustinum Macrobrachium heterochirus
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